Audi S3 8Y or Audi RS3 8Y? They share a platform, with different power. Here's how far each one goes, using the makers' and tuners' own figures from our two guides.
At a glance
| Audi S3 8Y | Audi RS3 8Y | |
|---|---|---|
| Years | 2020–2024, facelift 2024– | 2021– (Sportback and Saloon) |
| Engine | 2.0 TFSI EA888 Gen 4 (DNFB), Continental turbo | 2.5 TFSI five-cylinder (EA855 evo) |
| Stock power | 310 PS / 400 Nm; facelift 333 PS / 420 Nm | 401 hp / 369 lb-ft (US) |
Power by stage
| Audi S3 8Y | Audi RS3 8Y | |
|---|---|---|
| Stock | 310–333 PS | 401 hp |
| Stage 1 | 370–427 hp | 446–561 hp |
| Stage 2 | 410–440 hp | 467–565 hp |
| Stage 3 | 478–537 hp | 585–613 hp |
| Stage 4 | — no verified parts | 650–800+ hp |
Figures are the tuners' own claims from each guide, on the fuel each tuner states.
Typical parts cost
| Audi S3 8Y | Audi RS3 8Y | |
|---|---|---|
| Stage 1 | flash tunes $519.99–$650 (IE, APR, RacingLine on sale, Unitronic) or €690 (BR-Performance); gearbox tune $600–$649.95 or €400, plus a bench unlock on locked gearboxes; plug-in boxes €249–€549 (RaceChip), $629 (JB4) or $829.78 on sale for the facelift (RacingLine PCM). | APR $1,200 plus a $1,000 unlock; Unitronic's unlock alone $560 (software through dealers); plug-in modules €479–€609 (RaceChip), $679 (JB4) and $1,499–$1,949 (MTM); HGP €5,800 and ABT Power S €6,090 including VAT. |
| Stage 2 | intercooler €999 before VAT (Wagner), £861.23 (Forge) or $958.95 on sale (APR); intake $403.95 on sale (APR) or $436.99 (IE); HJS ECE downpipe that keeps the filter €3,334.98. | APR $1,300 plus the unlock; HGP €8,500 plus €1,000 fitting; ABT Power R €9,151 including VAT. |
| Stage 3 | APR's GT2563S kit with software $2,248.95 on sale; 034's GT2563S $2,060 plus $1,650 software; Turbo-Total €2,856.26 or TTE575 €3,276.47 before VAT. | HGP turbo kits €13,500–€15,500 plus €1,500 fitting; the TTE600 turbo alone €1,791 before VAT. |
List prices from the guides, before shipping, import tax and fitting. "—" means that guide has no cost line for the stage.
Where each one ends up
At Stage 4 the Audi S3 8Y reaches — no verified parts and the Audi RS3 8Y 650–800+ hp.
Read the full guides
- The Audi S3 8Y guide
- The Audi RS3 8Y guide
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